Hi all,

I have a question about treatment of a SDP in 2xx response
which is different from the one in previous provisional responses 
where these responses are used as answer.

Although there is a description quoted below in the section 11.2 of bis04, 
any description corresponding to this seems not to be specified 
in the bis05 draft or the offer-answer draft.

    In section 11.2 of bis04;
       If a later provisional response or 2xx contains a different
       session description, this new description is treated as if 
       it were the original response to the session description 
       in the INVITE.

Is this specification in bis04, in which the former SDP is overridden 
by the later SDP, still valid or is this deprecated ?
If this is still valid, is there any description corresponding the above 
in the bis05 draft or the offer-answer draft ?

If this issue has already been discussed, I wonder if you would 
inform me where the discussion was held ?

Best regard,
Hiroshi Waki
NTT Network Service Systems Laboratories



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